Obstacle course



FIG. 1 is a top, front, right perspective view of an obstacle course showing our new design;

FIG. 2 is a right view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof. 

CLAIM The ornamental design for an obstacle course, as shown and described. 